Phosphate adsorption on aluminum-coordinated functionalized macroporous–mesoporous silica: Surface structure and adsorption behavior

W. Huang; D. Li; Y. Zhu; K. Xu; J. Li; B. Han; Y. Zhang

doi:10.1016/j.materresbull.2013.04.093

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Phosphate adsorption on aluminum-coordinated functionalized macroporous–mesoporous silica: Surface structure and adsorption behavior

Journal article

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Phosphate adsorption on aluminum-coordinated functionalized macroporous–mesoporous silica: Surface structure and adsorption behavior

W. Huang, D. Li, Y. Zhu, K. Xu, J. Li, B. Han and Y. Zhang

Materials Research Bulletin, Vol.48(12), pp.4974-4978

2013

DOI: https://doi.org/10.1016/j.materresbull.2013.04.093

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Abstract

In this study, Al(III)-coordinated diamino-functionalized macroporous-mesoporous silica was synthesized and characterized by X-ray diffraction, N2 adsorption-desorption, Fourier transform infrared spectroscopy, scanning and transmission electron microscopy. Because of well-defined and interconnecting macroporous-mesoporous networks, the resulting adsorbent (MM-SBA) exhibited a significantly better phosphate adsorption performance and faster removal rate, as compared with the mesoporous adsorbent (M-SBA). Based on the Freundlich and Langmuir models, the phosphate adsorption capacity and the maximum adsorption capacity of MM-SBA were 7.99 mg P/g and 23.59 mg P/g, respectively. In the kinetic study of MM-SBA, over 95% of its final adsorption capacity reached in the first 1 min; whereas that of M-SBA was less than 79%.

Details

Title: Phosphate adsorption on aluminum-coordinated functionalized macroporous–mesoporous silica: Surface structure and adsorption behavior
Authors/Creators: W. Huang (Author/Creator)
D. Li (Author/Creator)
Y. Zhu (Author/Creator)
K. Xu (Author/Creator)
J. Li (Author/Creator)
B. Han (Author/Creator)
Y. Zhang (Author/Creator)
Publication Details: Materials Research Bulletin, Vol.48(12), pp.4974-4978
Publisher: Elsevier Limited
Identifiers: 991005544855207891
Copyright: © 2013 Elsevier Ltd.
Murdoch Affiliation: School of Engineering and Information Technology
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 2 Chemistry; 2.90 Water Treatment; 2.90.27 Adsorption
Web Of Science research areas: Materials Science, Multidisciplinary
ESI research areas: Materials Science